Atorvastatin: 15 possible side effects to know about

Atorvastatin (brand name Lipitor) is a statin used to lower cholesterol and reduce the risk of heart attacks and strokes. Most people tolerate it well, but some experience side effects.

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What symptoms should you watch for?

These are 15 possible side effects, ranging from relatively common to uncommon or rare. They are not all equally likely, and some may have causes unrelated to atorvastatin.

Common or recognized symptoms

1. Muscle aches or soreness
2. Muscle cramps
3. Unusual tiredness or weakness
4. Joint pain
5. Headaches
6. Dizziness
7. Nausea or indigestion
8. Constipation or diarrhea
9. Sleep disturbances

Less common or potentially serious symptoms

10. Memory difficulties or forgetfulness
11. Tingling or numbness in the hands or feet
12. Hair loss
13. Elevated blood sugar
14. Liver problems, sometimes causing yellow skin or eyes
15. Severe muscle injury, which may cause profound weakness, muscle pain, and dark urine

Sources: NHS, FDA and official medicine information.

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Three important warnings

• Unexplained muscle pain or weakness: Contact your doctor promptly, especially if symptoms are persistent or worsening.

• Dark, cola-colored urine with severe muscle pain or weakness: Seek emergency medical assessment, as this may indicate serious muscle breakdown.

• Yellow skin or eyes, or severe abdominal pain: Seek urgent medical care because these may indicate liver or pancreatic problems.

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Should you stop taking atorvastatin?

Do not stop it on your own because of a list of possible side effects. Atorvastatin can substantially reduce cardiovascular risk, and your doctor may be able to adjust the dose or prescribe an alternative if a side effect is suspected.

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Let me help you assess your situation

Are you currently taking atorvastatin, and if so, what dose?